JP6005550B2 - Container with pump - Google Patents

Description

  The present invention relates to a container with a pump provided with an inner pan that rises while pushing up the contents by using a negative pressure generated in a filling space in the container body.

  Focusing on the fact that the remaining amount of the contents cannot be confirmed when the barrel of the container body is made opaque in a conventional liquid ejection container, a spherical solid can be attached to and detached from the back of the middle dish placed above the bottom of the container It has been proposed that this solid can be dropped to the bottom of the container body at the time when the inner plate reaches the top dead center, so that an audible remaining amount can be confirmed by a falling sound or the like (for example, Patent Document 1).

  In addition, for the purpose of visually confirming the remaining amount of contents, a visible area is provided at the lower end of the trunk of the container body, and the drop is dropped at the bottom of the container body when the inner pan reaches top dead center A container with a pump that allows the member to be seen through from the outside has been proposed (see, for example, Patent Document 2).

JP 2004-344822 A JP 2008-087794 A

  However, the container having the above configuration can be confirmed audibly or visually that the remaining amount of the contents is less than a predetermined amount due to the dropping of the member in the container, but the remaining amount of the contents after that can be confirmed. The change could not be confirmed.

  Therefore, the present invention proposes a container with a pump that can easily check the remaining amount of the contents of the opaque container by a change in sound when the container is shaken.

In order to solve the above problems, a container with a pump according to the present invention is:
A container body having a mouth portion for filling the contents;
A pump attached to the mouth of the container body and hanging from the inside of the mouth;
A nozzle head that is connected to the pump and that is operated by repeatedly pressing and returning the nozzle to eject the contents;
A container with a pump comprising a slidably disposed inside the barrel portion of the container body, and a middle plate that rises while pushing up the contents by the negative pressure generated by the ejection of the contents,
The inner dish is an outer cylinder portion that comes into liquid-tight contact with the inner side of the body portion of the container body, and
An inner cylinder part held against the outer cylinder part inside the outer cylinder part; and
Comprising a solid sandwiched between the outer cylinder part and the inner cylinder part,
The inner plate rises due to the negative pressure,
After the top wall part of the inner cylinder part contacts the lower end part of the pump,
The distance between the outer cylinder part and the inner cylinder part is increased by raising only the outer cylinder part by further negative pressure,
The solid is movable in a space formed between the outer cylinder part and the inner cylinder part.

  In the container with a pump according to the present invention, it is preferable that the inner cylinder part has a peripheral wall connected to an outer edge of the top wall part, and the outer cylinder part has an annular wall that sandwiches the peripheral wall.

  Further, in the container with a pump according to the present invention, the top wall portion of the inner cylinder portion is in contact with the lower end portion of the pump, and a passage of contents is formed between the lower end portion and the container. It is preferable to have a suction groove that allows the contents to move into the pump via the suction groove.

  According to the container with a pump of the present invention, it is possible to provide a container with a pump that can easily check the remaining amount of the contents of an opaque container by a change in sound when the container is shaken. .

It is a side view which shows the unused state of the container with a pump which is the 1st form of this invention in a partial cross section. (A) is the side view which shows the state which the top wall part of the inner cylinder part contact | abutted to the lower end part of the pump in the process of using the container with a pump of FIG. 1, and (b) is a figure. It is a side view which shows the state just before completion of the content ejection of 1 container with a pump in a partial cross section.

Hereinafter, the present invention will be described more specifically with reference to the drawings. In addition, the code | symbol 1 in a figure is a container with a pump of one Embodiment according to this invention.
A pump-equipped container (hereinafter, also simply referred to as “container”) 1 in FIG. 1 includes a container body 20, a pump 30, a nozzle head 40, and an inner tray 50.

  The container body 20 has a cylindrical mouth portion 21 that fills the contents, and a cylindrical body portion 23 that is connected from the mouth portion 21 via a shoulder portion 22, and the lower end portion of the body portion 23 is opened. Yes. In this example, the container body 20 is made of a synthetic resin having an opaque light-shielding color, and the mouth portion 21, the shoulder portion 22, and the trunk portion 23 are integrally formed. Further, a bottom cover 24 having an outside air introduction hole h is separately attached to a lower end portion of the body portion 23 facing the mouth portion 21 along the axis O in the container body 20.

The pump 30 is attached to the mouth portion 21 and hangs down from the inside of the mouth portion 21.
Specifically, the pump 30 includes a cylinder 32 that passes through the inside of the mouth portion 21 and hangs down on the body portion 23, and the cylinder 32 is detachably screwed to the mouth portion 21 outside the mouth portion 21. The cover 31 having the portion 31a is fitted and held via an upper wall 31b provided inside the mounting cylinder portion 31a. Reference numeral 35 denotes a poppet-like suction valve body mounted in the cylinder 32 in order to increase the compression ratio of the pump.

  The cylinder 32 houses therein a pump mechanism P composed of a plurality of components, and a suction port A is formed at a tip end portion (a lower end portion of the pump 30) 30a. In addition, the cylinder 32 is attached in the mouth portion 21 via the seal ring S.

  The nozzle head 40 is connected to the pump 30 and operates the pump 30 by repeatedly pressing down and returning to suck, compress and discharge (spout) the contents.

  The inner tray 50 is slidably arranged with respect to the inner side of the body part 23 of the container body 20, and is arranged on the inner side of the outer part 51 and the outer cylinder part 51 in liquid-tight contact with the inner side of the body part 23. An inner cylinder part 52 that is liquid-tightly held with respect to the outer cylinder part 51 is provided. Thereby, a space R for filling the contents is formed between the container body 20 and the inner tray 50. The volume of the filling space R decreases with the ejection of the contents due to the rising of the inner tray 50. Further, the inner tray 50 includes a spherical solid 53 in a space B formed between the outer cylinder portion 51 and the inner cylinder portion 52, and the solid 53 is sandwiched between the outer cylinder portion 51 and the inner cylinder portion 52. Is done. The middle tray 50 is placed on the bottom lid 24 in an unused state as shown in the figure.

  Specifically, as shown in FIG. 1, the outer cylinder portion 51 includes an annular wall 51 a that sandwiches the peripheral wall 55 of the inner cylinder portion 52 from the outside in a liquid-tight manner, and a trunk portion from the annular wall 51 a via the top wall 51 b. 23 and an outer peripheral wall 51c that comes into liquid-tight contact with the inner side of 23. Moreover, in this example, the outer cylinder part 51 has the protrusion part 51d which protrudes toward the space B from the annular wall 51a and the top wall 51b.

In detail, the inner cylinder part 52 has the ceiling wall part 54 and the surrounding wall 55 connected with the outer edge 54a of the ceiling wall part 54. As shown in FIG. The top wall portion 54 comes into contact with the lower end portion 30 a of the pump 30 as the inner cylinder portion 52 rises, and determines the top dead center of the inner cylinder portion 52. The inner cylinder portion 52 further has an outer peripheral wall 57 extending upward through a bottom wall 56 extending outward from the peripheral wall 55.
In this example, the solid 53 is sandwiched in the vertical direction (the direction along the axis O of the container body 20) by the protruding portion 51 d of the outer cylinder portion 51 and the bottom wall 56 of the inner cylinder portion 52 in an unused state.

Hereinafter, the operation of the container 1 having the above configuration will be described.
When the contents are ejected by repeatedly pressing down and returning the nozzle head 40, the inner tray 50 rises while pushing up the contents due to the negative pressure generated by the ejection of the contents.
The outer cylinder portion 51 and the inner cylinder portion 52 rise together while maintaining a certain distance until the top wall portion 54 of the inner cylinder portion 52 abuts on the lower end portion (the tip end portion of the cylinder 32) 30a of the pump 30. During this time, since the solid 53 is sandwiched between the outer cylinder portion 51 and the inner cylinder portion 52, the solid 53 does not move with respect to the outer cylinder portion 51 and the inner cylinder portion 52.

  Then, when the ejection of the contents proceeds and the remaining amount of the contents reaches a predetermined amount, the top wall portion 54 of the inner cylinder portion 52 comes into contact with the lower end portion 30a of the pump 30 as shown in FIG. (The inner cylinder part 52 reaches top dead center), and the inner cylinder part 52 is restrained from rising further. Thereafter, when the contents are further ejected, only the outer cylinder portion 51 rises due to the negative pressure. The outer cylinder part 51 slides upward while the peripheral wall 55 of the inner cylinder part 52 is clamped liquid-tightly from the outside by the annular wall 51a. As a result, as shown in FIG. 2B, the distance L between the protruding portion 51d of the outer cylinder portion 51 and the bottom wall 56 of the inner cylinder portion 52 is increased, and the solid 53 can move in the expanded space B. It becomes.

  When the container 1 with the pump is shaken in this state, the movable solid 53 collides with the outer cylinder part 51 and the inner cylinder part 52 in the space B to generate sound. Thereby, the remaining amount of the contents is less than the predetermined amount, and it can be known that the next new container with a pump must be prepared. Here, when the solid 53 is a sphere, it rolls while bouncing in the space B, so that the collision sound can be sustained. Since the outer peripheral wall 57 extending upward is provided at the outer edge portion of the bottom wall 56, the solid 53 does not fall from the space B.

  When the distance L is small, the space B in which the solid 53 can move is small, so the collision sound is small. As the distance L increases, the movable space B increases and the collision sound increases. . When the remaining amount of the contents is equal to or greater than the predetermined amount (the state shown in FIGS. 1 and 2A), the distance L is constant and the solid 53 cannot be moved. The solid 53 does not generate sound.

  When the remaining amount of the contents is less than a predetermined amount, the solid 53 can move, and when the container 1 is shaken, the solid 53 collides with the outer cylinder portion 51 and the inner cylinder portion 52 to generate sound. And the distance L becomes so large that the residual amount of the content reduces, and the sound when the container 1 is shaken also changes in connection with this.

  When the remaining amount is exhausted after the ejection of the contents is completed, the distance L is maximum, and the sound when the container 1 is shaken is also maximum. By this change in sound, it is possible to easily confirm how much the remaining amount of contents is.

  Here, the top wall portion 54 of the inner cylinder portion 52 is in contact with the lower end portion 30a of the pump 30 to form a passage for the content between the lower end portion 30a and the content in the pump 30. It is preferable to have a movable suction groove 54b. According to this, even when the remaining amount of the content is reduced, the content can be ejected from the protruding nozzle head.

  While the present invention has been described based on the illustrated examples, the present invention is not limited to the above-described embodiment, and can be appropriately changed within the scope of the claims. For example, the solid 53 is spherical in this example, but is not limited to this, and can have various shapes, and the material, weight, and the like are not particularly limited. In addition, in the above-described embodiment, the space B in which the solid 53 is accommodated is a space that expands in an annular shape around the axis O of the container body 20, for example, a rib that protrudes upward from the bottom wall 56 of the inner cylinder portion 52. By providing a wall or the like, it is also possible to limit the movement range of the solid 53 in the circumferential direction around the axis O. Thus, the sound when the container 1 is shaken can be adjusted by appropriately setting the movement range of the solid 53. Further, by providing an uneven shape at an arbitrary part of the space B, it is possible to easily generate a sound when the container 1 is shaken.

  ADVANTAGE OF THE INVENTION According to this invention, the container with a pump which can confirm easily the residual amount of the contents of an opaque container by the change of the sound when a container is shaken can be provided.

DESCRIPTION OF SYMBOLS 1 Container with a pump 20 Container main body 21 Mouth part 22 Shoulder part 23 Body part 23a Inner peripheral surface 24 Bottom cover 30 Pump 30a The lower end part of a pump (tip part of a cylinder)
31 Cover 31a Mounting cylinder part 31b Upper wall 32 Cylinder 35 Suction valve body 40 Nozzle head 50 Middle pan 51 Outer cylinder part 51a Annular wall 51b Top wall 51c Outer peripheral wall 51d Projection part 52 Inner cylinder part 53 Solid 54 Top wall part 54a Outer edge 54b Suction groove 55 Perimeter wall 56 Bottom wall 57 Outer perimeter wall

Claims (3)

A container body having a mouth portion for filling the contents;
A pump attached to the mouth of the container body and hanging from the inside of the mouth;
A nozzle head that is connected to the pump and that is operated by repeatedly pressing and returning the nozzle to eject the contents;
A container with a pump comprising a slidably disposed inside the barrel portion of the container body, and a middle plate that rises while pushing up the contents by the negative pressure generated by the ejection of the contents,
The inner dish is an outer cylinder portion that comes into liquid-tight contact with the inner side of the body portion of the container body, and
An inner cylinder part held against the outer cylinder part inside the outer cylinder part; and
Comprising a solid sandwiched between the outer cylinder part and the inner cylinder part,
The inner plate rises due to the negative pressure,
After the top wall part of the inner cylinder part contacts the lower end part of the pump,
The distance between the outer cylinder part and the inner cylinder part is increased by raising only the outer cylinder part by further negative pressure,
The pump-equipped container, wherein the solid is movable in a space formed between the outer cylinder part and the inner cylinder part.   The said inner cylinder part has a surrounding wall connected to the outer edge of the said top wall part, and the said outer cylinder part has an annular wall which clamps the said surrounding wall, The container with a pump of Claim 1.   The top wall portion of the inner cylinder portion is in contact with the lower end portion of the pump, forms a passage for the content with the lower end portion, and puts the content into the pump through the suction groove. The container with a pump according to claim 1 or 2, further comprising a suction groove that is movable.

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